The Goryeo Dynasty, from 918 CE to 1392 CE, succeeded the Three Kingdoms of Korea. Goryeo culture was strongly influenced by Confucianism and Buddhism, leading to the development of celadon pottery and Buddhist temples.Goryeo mythology often featured dragons and spirits of mountains. The guardian dragon, or yong, symbolized power and control over water, while mountain spirits, or sanshin, were worshipped as protectors of nature and communities.